The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 01, 1981
Filed:
Sep. 17, 1979
Applicant:
Inventors:
Assignee:
Kasei Optonix, Ltd., Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
428403 ; 427 64 ; 427 68 ; 2523 / ; 2523 / ;
Abstract
A phosphor for color television surface-treated with zinc hydroxide so that zinc hydroxide attaches thereto in an amount below 0.7 part by weight per 100 parts by weight of the phosphor. Phosphor slurries for production of phosphor screens prepared from the phosphor have improved light-exposure sensitivity at the formation of and produced from these slurries phosphor screens showing less color mixing.